Lee Shin (Jung Yong Hwa), a rock band vocalist, and Lee Gyoo Won (Park Shin Hye), a traditional gayageum player, meet at a performing arts college where their contrasting musical worlds collide. Shin, initially interested in dance professor Jung Yoon Soo (So Yi Hyun), becomes intrigued by the feisty Gyoo Won, who comes from a prestigious traditional music background. Both passionate about their distinct musical styles, they struggle to find common ground. As they navigate their differences, they begin to explore the potential harmony between rock and traditional Korean folk music. This is a 2011 South Korean romantic music drama directed by Pyo Min Soo.

Aspiring nun Go Mi Nyeo (Park Shin Hye) never expected to receive this mission: stand in as her twin brother Mi Nam in the idol band A.N.Jell while he tries to get a botched plastic surgery revised. Suddenly thrust into the glamorous and cutthroat world of K-pop, Mi Nyeo must navigate the challenges of living as a man while keeping her true identity a secret from the band's demanding leader, Hwang Tae Kyung (Jang Geun Suk), the kind-hearted Kang Shin Woo (Jung Yong Hwa), and the cheerful Jeremy (Lee Hong Ki). As she struggles to maintain her disguise amidst hilarious mishaps and close calls, Mi Nyeo finds herself entangled in a complicated web of friendship, rivalry, and unexpected romance, all while trying to achieve her brother's dream.